diff --git a/app/controllers/api/v1/registrant/contacts_controller.rb b/app/controllers/api/v1/registrant/contacts_controller.rb
index a8fd05452..7d8dbfac1 100644
--- a/app/controllers/api/v1/registrant/contacts_controller.rb
+++ b/app/controllers/api/v1/registrant/contacts_controller.rb
@@ -19,19 +19,15 @@ module Api
           end
 
           contacts = current_user_contacts.limit(limit).offset(offset)
-          serialized_contacts = contacts.map do |item|
-            serializer = Serializers::RegistrantApi::Contact.new(item)
-            serializer.to_json
-          end
-
+          serialized_contacts = contacts.collect { |contact| serialize_contact(contact) }
           render json: serialized_contacts
         end
 
         def show
-          @contact = current_user_contacts.find_by(uuid: params[:uuid])
+          contact = current_user_contacts.find_by(uuid: params[:uuid])
 
-          if @contact
-            render json: @contact
+          if contact
+            render json: serialize_contact(contact)
           else
             render json: { errors: [{ base: ['Contact not found'] }] }, status: :not_found
           end
@@ -89,8 +85,7 @@ module Api
             contact.registrar.notify(action)
           end
 
-          serializer = Serializers::RegistrantApi::Contact.new(contact)
-          render json: serializer.to_json
+          render json: serialize_contact(contact)
         end
 
         private
@@ -100,6 +95,10 @@ module Api
         rescue CompanyRegister::NotAvailableError
           current_registrant_user.direct_contacts
         end
+
+        def serialize_contact(contact)
+          Serializers::RegistrantApi::Contact.new(contact).to_json
+        end
       end
     end
   end
diff --git a/test/integration/api/registrant/registrant_api_contacts_test.rb b/test/integration/api/registrant/registrant_api_contacts_test.rb
index 121eb9135..0658ecac1 100644
--- a/test/integration/api/registrant/registrant_api_contacts_test.rb
+++ b/test/integration/api/registrant/registrant_api_contacts_test.rb
@@ -32,14 +32,6 @@ class RegistrantApiContactsTest < ApplicationIntegrationTest
     assert_equal 'john@inbox.test', response_json[:email]
   end
 
-  def test_get_contact_details_by_uuid_returns_404_for_non_existent_contact
-    get '/api/v1/registrant/contacts/nonexistent-uuid', {}, @auth_headers
-    assert_equal(404, response.status)
-
-    response_json = JSON.parse(response.body, symbolize_names: true)
-    assert_equal({ errors: [{ base: ['Contact not found'] }] }, response_json)
-  end
-
   def test_root_does_not_accept_limit_higher_than_200
     get '/api/v1/registrant/contacts', { 'limit' => 400, 'offset' => 0 }, @auth_headers
     assert_equal(400, response.status)
@@ -62,22 +54,6 @@ class RegistrantApiContactsTest < ApplicationIntegrationTest
     assert_equal({ errors: [base: ['Not authorized']] }, json_body)
   end
 
-  def test_details_returns_401_without_authorization
-    get '/api/v1/registrant/contacts/c0a191d5-3793-4f0b-8f85-491612d0293e', {}, {}
-    assert_equal(401, response.status)
-    json_body = JSON.parse(response.body, symbolize_names: true)
-
-    assert_equal({ errors: [base: ['Not authorized']] }, json_body)
-  end
-
-  def test_details_returns_404_for_non_existent_contact
-    get '/api/v1/registrant/contacts/some-random-uuid', {}, @auth_headers
-    assert_equal(404, response.status)
-    json_body = JSON.parse(response.body, symbolize_names: true)
-
-    assert_equal({ errors: [base: ['Contact not found']] }, json_body)
-  end
-
   private
 
   def auth_token
diff --git a/test/integration/api/v1/registrant/contacts/details_test.rb b/test/integration/api/v1/registrant/contacts/details_test.rb
index 24fa467e4..073c8e2b8 100644
--- a/test/integration/api/v1/registrant/contacts/details_test.rb
+++ b/test/integration/api/v1/registrant/contacts/details_test.rb
@@ -13,6 +13,52 @@ class RegistrantApiV1ContactDetailsTest < ActionDispatch::IntegrationTest
     @user = users(:registrant)
   end
 
+  def test_returns_contact_details
+    get api_v1_registrant_contact_path(@contact.uuid), nil, 'HTTP_AUTHORIZATION' => auth_token,
+        'Content-Type' => Mime::JSON.to_s
+
+    assert_response :ok
+    assert_equal ({ id: @contact.uuid,
+                    name: @contact.name,
+                    code: @contact.code,
+                    fax: @contact.fax,
+                    ident: {
+                      code: @contact.ident,
+                      type: @contact.ident_type,
+                      country_code: @contact.ident_country_code,
+                    },
+                    email: @contact.email,
+                    phone: @contact.phone,
+                    address: {
+                      street: @contact.street,
+                      zip: @contact.zip,
+                      city: @contact.city,
+                      state: @contact.state,
+                      country_code: @contact.country_code,
+                    },
+                    auth_info: @contact.auth_info,
+                    statuses: @contact.statuses,
+                    disclosed_attributes: @contact.disclosed_attributes }),
+                 JSON.parse(response.body, symbolize_names: true)
+  end
+
+  def test_non_existent_contact
+    get api_v1_registrant_contact_path('non-existent'), nil, 'HTTP_AUTHORIZATION' => auth_token,
+        'Content-Type' => Mime::JSON.to_s
+
+    assert_response :not_found
+    assert_equal({ errors: [base: ['Contact not found']] }, JSON.parse(response.body,
+                                                                       symbolize_names: true))
+  end
+
+  def test_anonymous_user
+    get api_v1_registrant_contact_path(@contact.uuid), nil, 'Content-Type' => Mime::JSON.to_s
+
+    assert_response :unauthorized
+    assert_equal({ errors: [base: ['Not authorized']] }, JSON.parse(response.body,
+                                                                    symbolize_names: true))
+  end
+
   def test_returns_direct_contact_when_company_register_is_unavailable
     assert_equal '1234', @contact.ident
     assert_equal Contact::PRIV, @contact.ident_type
@@ -25,7 +71,7 @@ class RegistrantApiV1ContactDetailsTest < ActionDispatch::IntegrationTest
     end
 
     response_json = JSON.parse(response.body, symbolize_names: true)
-    assert_equal '1234', response_json[:ident]
+    assert_equal '1234', response_json[:ident][:code]
   end
 
   def test_unmanaged_contact_cannot_be_accessed